rm -rf build
mkdir build
cd build
export LIB_DIR=/usr/local/qgis_universal_deps; cmake -DCMAKE_INSTALL_PREFIX=/tmp -DCMAKE_OSX_ARCHITECTURES="i386;ppc" -DQT_QMAKE_EXECUTEABLE=${LIB_DIR}/bin/qmake -DQT_LRELEASE_EXECUTABLE=${LIB_DIR}/bin/lrelease -DQT_MKSPECS_DIR=${LIB_DIR}/mkspecs -DQT_PLUGINS_DIR=${LIB_DIR}/plugins -DQT_QMAKE_EXECUTABLE=${LIB_DIR}/bin/qmake ..
make install
